QUARTERLY FINANCIAL DATA (unaudited) (Tables)

12 Months Ended

Dec. 31, 2017

QUARTERLY FINANCIAL DATA (unaudited)

Schedule of selected unaudited financial data

Quarter ended (millions of dollars except per common unit amounts)	Mar 31	Jun 30	Sept 30	Dec 31
2017
Transmission revenues	112	101	100	109
Equity earnings	36	24	27	37
Net income	83	55	55	70
Net income attributable to controlling interests	77	55	54	66
Net income per common unit	$ 1.05	$ 0.73	$ 0.61	$ 0.77
Cash distribution paid to common units(a)	68	68	74	74
Cash distribution paid to Class B units	22	–	–	–
2016
Transmission revenues(b)	111	101	103	111
Equity earnings(b)	33	20	22	22
Net income(b)	81	57	60	65
Net income attributable to controlling interests(b)	74	55	58	61
Net income per common unit(c)	$ 1.10	$ 0.76	$ 0.65	$ 0.70
Cash distribution paid to common unit(c)	59	60	65	66
Cash distribution paid to Class B units	12	–	–	–

(a)	Distributions paid to common units includes our general partner's effective two percent share and IDRs.
(b)	Recast to consolidate PNGTS for the year ended December 31, 2016 (Refer to Note 2).
(c)	Historical net income per common unit was not recasted.